Uber and U.S. Army team up to develop quiet VTOL aircraft rotor

Uber and U.S. Army team up to develop quiet VTOL aircraft rotor

DETROIT — Uber Technologies said on Tuesday it would work with the U.S. Army to advance research on a novel, quiet aircraft rotor technology that could be used in future flying cars, or military aircraft.

The alliance highlights stepped-up efforts by Uber and other companies to transform flying cars from a science fiction concept to real hardware for residents of mega-cities where driving is a time-consuming bore.

Uber is holding its Uber Elevate conference on flying vehicles this week in Los Angeles, where it also revealed a variety of aircraft designs (shown above), and offered some other details:

Initially, a ride in the sky will cost a passenger $5.73 per mile, then Uber hopes to eventually get the cost down to 44 cents per mile, which would be comparable to the cost of owning and driving a car.Uber’s goal is to conduct demonstration flights in 2020.

UberAIR plans to begin commercial service in 2023 in Dallas-Fort Worth and Los Angeles, and has dropped Dubai from its plans.

It plans airspeeds up to 200 mph and cruising altitudes of 1,000 to 2,000 feet — higher than drones but lower than small aircraft or jetliners.

Its eVTOL aircraft would travel 60 miles on a charge.

As for the quiet rotor technology, Uber and the Army’s Research, Development and Engineering command said they expect to spend $1 million to develop and test rotor prototypes to be used on a vertical takeoff and landing (VTOL) aircraft.

The system would have two rotors stacked on top of each other, rotating in the same direction under the command of sophisticated software. This approach, which Uber and the Army said had not been deployed in a production aircraft, could lead to quieter operation than conventional stacked rotor systems.

“Achieving ultra-low noise is one of the critical obstacles” to deploying aerial taxis in urban areas, Rob McDonald, head of vehicle engineering for Uber’s flying car operation, said in an interview.

The Army wants to develop a new generation of unmanned drones that do not need runways and are quieter than current drones, said Dr. Jaret Riddick, director of the U.S. Army Research Laboratory’s Vehicle Technology Directorate.

The Army is increasingly turning to partnerships with private companies to research advanced technology, Riddick said in an interview.

Uber is planning more alliances with government agencies as it aims to launch prototype airborne taxis by 2020, Mark Moore, Uber’s director of engineering, aircraft systems and a former NASA researcher, said in an interview.

Uber already has a partnership with NASA, the U.S. government space agency, to develop software for managing large numbers of aircraft over cities, Moore said.

Uber is one of several companies, including aircraft makers Boeing and Airbus and the Kitty Hawk venture backed by Alphabet Inc co-founder Larry Page, that are investing in the concept of small, automated and electrified aircraft that could be used to ferry passengers or cargo across congested cities.

Uber said it would develop its low-noise rotor system in collaboration with Launchpoint Technologies, a Goleta, California, engineering company focused on electric and hybrid aircraft technologies.

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